Quote:
Originally Posted by v_ckash623
The B58 engine (engine code for the motor inside the M340i) can take a plethora of oil viscosities. Still, that doesn't mean just dump any old oil in there. Pennzoil is the brand for Shell oils, who are (or were) the OEM partner for BMW. Needless to say, it's pretty good stuff. If something serious does go wrong, the dealership will have to do a diagnostic and will have to conclude that the oil is what caused the issue. By law they can't just point at it and say "warranty is voided due to a non OEM part."
Pennzoil Platinum Euro L is still BMW Longlife-04 approved oil. In Europe, oil spec is LL04 for the B58. BMW specifies 0w20 for use in NA to comply with CAFE/EPA, as lighter oil is more fuel efficient. Same engine, just different requirements. So you're not "breaking" anything on the engine by switching your engine oil.
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Thank you. This really clears all of this up for me. I really appreciate it.